SYNGENESIA FRUSTRANEA. 
469 
deft; of the sterile shorter, undivided. Seed of the ray abortive; of the 
disk oblong, slightly curved, finely striate, crowned apparently with a triple 
pappus, the exterior a ten-toothed margin, the intermediate composed of ten 
or twelve awns as long as the seed, rigid, serrate, the interior of an equal 
number of short hairy awns. Bristles of the receptacle longer than the 
seeds. 
An exotic now naturalized; not uncommon in dry sandy pastures along 
the sea-coast; around Beaufort. 
Flowers in April. 
>SYNG-ENE$IA NECESSARIA. 
CHAPTALIA. Yentenat. 
Receptaculum nu- 
dum. Pappus capil- 
laris. Flosculi radii 
in duplici serie diffor- 
mes, foeminei, fertiles; 
disci, masculi, bilabia- 
ti. Involucrum subim- 
bricatum. 
Receptacle naked. 
Pappus capillary. Flo- 
rets of the ray dissimi- 
lar, in a double series, 
female, fertile; of the 
disk masculine, two- 
lipped. Involucrum 
somewhat imbricate. 
1. Integrifolia. Mich. 
C. foliis oblongo- 
lanceolatis obovatis- 
que, retrorse denticu- 
latis, subtus argenteo- 
tomentosis; scapo nu- 
do, unifloro, floribus 
nutantibus. 
Leaves oblong lan- 
ceolate and obovate, 
retrorsely denticulate, 
tomentose and silvery 
underneath; scape na- 
ked, 1-flowered, flow- 
ers nodding. 
